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449918304 = 253111992141
BaseRepresentation
bin11010110100010…
…011010101100000
31011100121012212220
4122310103111200
51410134341204
6112351151040
714102146113
oct3264232540
91140535786
10449918304
11210a70310
12106815480
137229b764
1443a7a57a
15297741d9
hex1ad13560

449918304 has 96 divisors (see below), whose sum is σ = 1295481600. Its totient is φ = 135590400.

The previous prime is 449918281. The next prime is 449918377. The reversal of 449918304 is 403819944.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209074 + ... + 211214.

It is an arithmetic number, because the mean of its divisors is an integer number (13494600).

Almost surely, 2449918304 is an apocalyptic number.

449918304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449918304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647740800).

449918304 is an abundant number, since it is smaller than the sum of its proper divisors (845563296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449918304 is a wasteful number, since it uses less digits than its factorization.

449918304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 449918304 is about 21211.2777550057. The cubic root of 449918304 is about 766.2630559459.

The spelling of 449918304 in words is "four hundred forty-nine million, nine hundred eighteen thousand, three hundred four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 199 264 352 398 528 597 796 1056 1194 1592 2141 2189 2388 3184 4282 4378 4776 6368 6423 6567 8564 8756 9552 12846 13134 17128 17512 19104 23551 25692 26268 34256 35024 47102 51384 52536 68512 70048 70653 94204 102768 105072 141306 188408 205536 210144 282612 376816 426059 565224 753632 852118 1130448 1278177 1704236 2260896 2556354 3408472 4686649 5112708 6816944 9373298 10225416 13633888 14059947 18746596 20450832 28119894 37493192 40901664 56239788 74986384 112479576 149972768 224959152 449918304